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Cellular mobile communication system having apparatus for changing boundaries of cells according to traffic condition 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04Q-007/30
출원번호 US-0207688 (1994-03-09)
우선권정보 JP-0050393 (1993-03-11)
발명자 / 주소
  • Doi Nobukazu (Hachioji JPX) Yano Takashi (Tokorozawa JPX)
출원인 / 주소
  • Hitachi, Ltd. (Tokyo JPX 03)
인용정보 피인용 횟수 : 61  인용 특허 : 0

초록

Cellular mobile communication system includes a plurality of base stations connected to a relay station, each base station having adaptability for coping with change in traffic volume within a relevant cell covered thereby. Each base station includes a variable gain power amplifier for amplifying a

대표청구항

A cellular mobile communication system, comprising: a relay station connected to a network; a plurality of base stations connected to said relay station via communication channels and defining cells, respectively; first means for monitoring volume of traffic between mobile terminals resident within

이 특허를 인용한 특허 (61)

  1. Shapira, Joseph, Active antenna array configuration and control for cellular communication systems.
  2. Marcus C. Leatham ; Regena L. Richardson ; Srinivas Eswara, Adaptive power level tiered cellular mobile communications systems.
  3. Murakami, Yutaka; Takabayashi, Shinichiro; Orihashi, Masayuki; Matsuoka, Akihiko, Apparatus and method for digital wireless communication.
  4. Murakami, Yutaka; Takabayashi, Shinichiro; Orihashi, Masayuki; Matsuoka, Akihiko, Apparatus and method for digital wireless communications.
  5. Murakami, Yutaka; Takabayashi, Shinichiro; Orihashi, Masayuki; Matsuoka, Akihiko, Apparatus and method for digital wireless communications.
  6. Murakami, Yutaka; Takabayashi, Shinichiro; Orihashi, Masayuki; Matsuoka, Akihiko, Apparatus and method for digital wireless communications.
  7. Murakami,Yutaka; Takabayashi,Shinichiro; Orihashi,Masayuki; Matsuoka,Akihiko, Apparatus and method for digital wireless communications.
  8. Shin, Oh-Soon; Yun, Sang-Boh, Apparatus and method for operating relay link in relay broadband wireless communication system.
  9. Liu, Ziyan; Zeng, Yongmei; Duan, Xiaoming, Apparatus and method for processing downlink signal.
  10. Lomp, Gary R.; Ozluturk, Faith M.; Kowalski, John, Automatic power control system for a code division multiple access (CDMA) communications system.
  11. Sato, Hijin; Umeda, Narumi; Yamao, Yasushi, Autonomous zone forming communication device and autonomous zone forming method.
  12. Tobe,Hideki; Sato,Hijin, Cell formation control method, a mobile communications system, and a base station and a mobile station used therein.
  13. Tobe,Hideki; Sato,Hijin, Cell formation control method, a mobile communications system, and a base station and a mobile station used therein.
  14. Ritz챕n,Benny; Cerwall,Patrik, Cellular communications network and method for dynamically changing the size of a cell due to speech quality.
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  16. Shapira, Joseph, Cellular communications systems.
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  18. Osawa Tomoki,JPX, Cellular type mobile communication system capable of efficiently utilizing frequencies.
  19. Griffiths James R., Circuit for efficiently producing low-power radio frequency signals.
  20. Ozluturk, Fatih M.; Jacques, Alexander M.; Lomp, Gary R.; Kowalski, John, Code division multiple access (CDMA) communication system.
  21. Dent Paul W., Dividable transmit antenna array for a cellular base station and associated method.
  22. Jalloul Amer, Dynamic reduction of telephone call congestion.
  23. Nomiya, Mitsugi; Taguchi, Hiroyasu; Nakajima, Kazuyoshi; Inami, Miya; Itoh, Yayoi; Hasesaka, Kiyomi; Sasai, Hiroyuki, Dynamic traffic control method and device for the same.
  24. Yoshida,Shousei; Ushirokawa,Akihisa, FDD/CDMA receiver having transmission antenna control circuit.
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  26. Morris, Martin; Kumar, Rajiv; Nguyen, Lyn; Pham, Hiep, Implementation of power control in a wireless overlay network.
  27. Bernardin Charles P. ; Yee Meng F., Method and apparatus for a radiotelephone system optimized for cell boundary coverage reliability.
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  34. Yarkosky,Mark, Method and system for adjusting coverage areas of a wireless telecommunications network.
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  46. Proctor, Paul; Zablocky, Paul G., Methods and systems for adjusting sectors across coverage cells.
  47. Bernardin Charles, Methods and systems for selecting drive routes for testing RF coverage in a radiotelephone system.
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  49. Mimura Masahiko,JPX, Mobile communication system, base station, and base station controller.
  50. Chang Chu Rui ; Jiang Hua, Multi-beam antenna arrays for base stations in which the channel follows the mobile unit.
  51. Dent Paul Wilkinson, Polarization diversity phased array cellular base station and associated methods.
  52. Richardson, Andrew, Power control in a local network node (LNN).
  53. Suemitsu, Taisei; Suzuki, Kuniyuki, Radio base station and base station control apparatus.
  54. Kanai Toshihito,JPX, Radio channel control apparatus used in a CDMA cellular system and capable of changing cell size.
  55. Shapira, Joseph; Argaman, Gideon, Scalable cellular communications system.
  56. Cao,Aijun; Popovic,Branislav M, Self & minus; adaptive weighted space time transmitting diversity method and system thereof.
  57. Richardson, Andrew, Signal transmission method from a local network node.
  58. Oliva Eugene A., System and methods for controlling access to digital wireless network in a dual mode wireless system.
  59. Kanai Takeo,JPX, Utilization of integrated base stations in the cellular radio system.
  60. Ode, Takayoshi; Obuchi, Kazuhisa, Wireless communication system.
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